package com.medata.utils;

/**
 * @author ：zb
 * @date ：Created in 2019/9/27 0027 8:52
 * @description：
 */

public class ClientUtils {

    //https://svn.apache.org/repos/asf/lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/client/solrj/util/ClientUtils.java

    public static String escapeQueryChars(String s) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            // These characters are part of the query syntax and must be escaped
            if (c == '\\' || c == '+' || c == '-' || c == '!'  || c == '(' || c == ')' || c == ':'
                    || c == '^' || c == '[' || c == ']' || c == '\"' || c == '{' || c == '}' || c == '~'
                    || c == '*' || c == '?' || c == '|' || c == '&'  || c == ';' || c == '/'
                    || Character.isWhitespace(c)) {
                sb.append('\\');
            }
            sb.append(c);
        }
        return sb.toString();
    }

}
